<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="../../dist/vue.js"></script>
</head>
<body>
<div id="app">
  <div>{{msg}}</div>
</div>
</body>
<script>
  new Vue({
    el: '#app',
    data() {
      return {
        msg: 1
      }
    },
    created() {
      this.msg = 2
    },
    mounted() {
      this.msg = 3
    }
  });
</script>
</html>
